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Opt Express. 2008 Apr 28;16(9):6134-45.

Invisibility cloaks for irregular particles using coordinate transformations.

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  • 1Department of Physics, Texas A&M University, College Station, TX 77843, USA.


Invisibility cloaks for ellipsoids, rounded cuboids and rounded cylinders have been studied on the basis of the coordinate transformation approach. The resultant material property tensors for irregular cloaks are more complicated in comparison with those for the spherical invisibility cloak. A generalized Discrete Dipole Approximation (DDA) formalism has been used to simulate the scattered field distribution in the vicinity of the aforementioned irregular cloaks illuminated by an incident plane wave. Simulated scattering efficiencies are on the order of 10(-5), and the simulated electric-field distribution outside of a cloak is the same as that of the incident radiation.

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